METHOD OF PRODUCING SPIRALLY WELDED TUBES,申请号SU19874310161-传众专利搜索

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发明名称	METHOD OF PRODUCING SPIRALLY WELDED TUBES
摘要
申请公布号	SU1518046(A1)	申请公布日期	1989.10.30
申请号	SU19874310161	申请日期	1987.08.14
申请人	VNI PK I METALL MASH IM.A.I.TSELIKOVA	发明人	IVANOV VYACHESLAV A,SU;ZAIKIN VALENTIN A,SU;SOKOLOVA OLGA V,SU;VEGELE VLADIMIR K,SU
分类号	B21C37/12	主分类号	B21C37/12
代理机构		代理人
主权项
地址

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